// 详情列表css
.num {
    width: 73px;
    height: 73px;
    font-size: 16px;
    text-align: center;
    display: block;
    margin: 50px 0 0 0;
    font-size: 20px;
    color: #000;
  }

  .jian {
    position: absolute;
    top: 0;
    left: 82px;
  }

  .jia {
    position: absolute;
    top: 38px;
    left: 82px;
  }